Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.567 5.367/6.251 5.631 ± 0.8213
ea02 1342 1342/1342 1342 ± 0.00003838 5.517 5.311/6.498 5.644 ± 0.831
ea03 1342 1342/1342 1342 ± 0.000004883 5.447 5.299/6.212 5.687 ± 0.7094
ea04 1342 1342/1342 1342 ± 0.00004359 5.152 4.917/6.002 5.23 ± 0.6933
ea05 1342 1342/1342 1342 ± 0.00004481 5.363 5.066/6.416 5.52 ± 0.8565
ea06 1342 1342/1342 1342 ± 0.00001127 5.096 4.816/5.978 5.226 ± 0.6708
ea07 1342 1342/1342 1342 ± 0.00004224 5.195 5.019/6.295 5.467 ± 0.8311
ea08 1342 1342/1342 1342 ± 0.00002409 5.706 5.381/6.848 5.831 ± 0.9743
ea09 1342 1342/1342 1342 ± 0.00004131 5.203 5.052/5.687 5.314 ± 0.77
ea10 1342 1342/1342 1342 ± 0.00004254 5.017 4.737/5.929 5.102 ± 0.7306
ea11 1342 1342/1342 1342 ± 0.00004917 5.282 4.731/6.093 5.236 ± 0.855
ea13 1342 1342/1342 1342 ± 0.000007494 5.505 5.202/6.225 5.599 ± 0.6123
ea14 1342 1342/1342 1342 ± 0.00004365 5.436 5.197/6.555 5.635 ± 0.8295
ea15 1342 1342/1342 1342 ± 0.00004607 5.589 5.383/6.698 5.742 ± 0.9207
ea16 1342 1342/1342 1342 ± 0.00001113 5.774 5.326/6.511 5.757 ± 0.8443
ea17 1342 1342/1342 1342 ± 0.00004168 5.687 5.262/6.659 5.78 ± 0.9312
ea18 1342 1342/1342 1342 ± 0.00001543 5.802 5.509/6.869 5.883 ± 0.9844
ea19 1342 1342/1342 1342 ± 0.00002643 5.343 5.075/6.328 5.469 ± 0.79
ea20 1342 1342/1342 1342 ± 0.00001458 5.356 5.252/6.144 5.604 ± 0.6654
ea21 1342 1342/1342 1342 ± 0 5.169 4.927/5.736 5.236 ± 0.5737
ea22 1342 1342/1342 1342 ± 0.00003416 5.641 5.178/6.54 5.646 ± 0.8892
ea23 1342 1342/1342 1342 ± 0.00004301 5.594 5.147/6.425 5.64 ± 0.8583
ea24 1342 1342/1342 1342 ± 0 5.22 5.097/6.447 5.622 ± 0.7624
ea25 1342 1342/1342 1342 ± 0.000003454 5.751 5.361/6.691 6.054 ± 0.8354
ea27 1342 1342/1342 1342 ± 0.000004883 5.202 4.928/6.313 5.37 ± 0.8247
ea28 1342 1342/1342 1342 ± 0.000003201 5.753 5.596/6.734 5.994 ± 0.7564
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002356 5.295 4.959/5.356 5.207 ± 0.2538
5 1342 1342/1342 1342 ± 0.00002433 5.212 4.972/5.461 5.207 ± 0.3159
6 1342 1342/1342 1342 ± 0.00002356 5.212 5.061/5.518 5.263 ± 0.2674
7 1342 1342/1342 1342 ± 0.00002356 5.311 5.147/5.517 5.299 ± 0.2496
8 1342 1342/1342 1342 ± 0.00002356 5.285 5.073/5.543 5.278 ± 0.2776
9 1342 1342/1342 1342 ± 0.00002356 5.55 5.455/5.823 5.583 ± 0.2985
10 1342 1342/1342 1342 ± 0.000024 6.135 5.95/6.326 6.106 ± 0.2914
11 1342 1342/1342 1342 ± 0.00002355 6.429 6.249/6.557 6.398 ± 0.2761
12 1342 1342/1342 1342 ± 0.00002355 6.57 6.363/6.757 6.562 ± 0.3211
13 1342 1342/1342 1342 ± 0.00002355 6.751 6.501/6.972 6.75 ± 0.3811
14 1342 1342/1342 1342 ± 0.00003813 5.307 5.051/5.846 5.544 ± 0.6872
15 1342 1342/1342 1342 ± 0.00002355 6.437 6.012/6.812 6.377 ± 0.4935
16 1342 1342/1342 1342 ± 0.00006101 4.229 4.073/4.5 4.336 ± 0.393
17 1342 1342/1342 1342 ± 0.00006103 4.065 3.925/4.333 4.136 ± 0.3037
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-19 20:03:46.442
End
2025-07-19 20:54:51.741
Duration
0:51:05.299
Note, WebLog generation is not included in the time.

CASA logs for stage 8